How Do I Set Up LSP Autocomplete In M Vim?

2025-09-03 04:03:59
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5 Answers

Charlotte
Charlotte
Favorite read: My bot dom
Story Interpreter Librarian
I like quick, no-fluff setups, so here’s a compact path that’ll get LSP autocompletion in mvim without 10 different plugins.

1) Ensure your MacVim is recent (Vim 8+). If not, brew upgrade macvim. 2) Install a plugin manager—vim-plug is simple. Add: Plug 'neoclide/coc.nvim', {'branch':'release'} to your plug block and run :PlugInstall. 3) Install Node.js (coc needs it). 4) Add some global coc extensions in your vimrc: let g:coc_global_extensions = ['coc-tsserver','coc-pyright','coc-json','coc-html','coc-css','coc-snippets'] and restart.

5) For languages that need standalone servers, install them via npm/pip: npm i -g typescript-language-server pyright bash-language-server, etc. 6) Useful mappings: inoremap coc#refresh() and nmap gd (coc-definition). 7) If completion isn’t showing, run :CocInfo and :CocList services to debug. If you prefer no-Node options, check 'vim-lsp' + 'completion-nvim' or use 'ale' for diagnostics-only. That’s it—short, practical, and you’ll have VSCode-like completion in mvim quickly.
2025-09-05 17:13:42
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Frequent Answerer Pharmacist
If you want the fast checklist: install modern MacVim (Vim 8+), use vim-plug and install 'neoclide/coc.nvim'. Make sure Node is installed. Add to your vimrc: let g:coc_global_extensions = ['coc-pyright','coc-tsserver','coc-json'] and some keymaps like nmap gd (coc-definition) and inoremap pumvisible() ? '\' : coc#refresh().

Install language servers globally where needed (npm i -g pyright typescript-language-server). Use :CocInfo and :CocList services to check status. Alternatives: 'vim-lsp' + 'completion-nvim' or 'LanguageClient-neovim' if you want to avoid Node, but coc.nvim gives the most polished experience in mvim. Tip: if autocompletion is flaky, check your macvim build flags and ensure +clipboard/+job support.
2025-09-07 18:55:57
21
Story Finder Cashier
Okay—let's get this working in mvim (MacVim) with a friendly, practical walkthrough that actually gets you autocompletion without too much fuss.

First, make sure your MacVim is a modern build: you want Vim 8+ with +job and +channel support. If you installed via Homebrew (brew install macvim) you’re usually okay. Then pick a plugin manager; I use vim-plug. Put this in your ~/.vimrc (or ~/.gvimrc if you prefer GUI):

call plug#begin('~/.vim/plugged')
Plug 'neoclide/coc.nvim', {'branch': 'release'}
call plug#end()

Restart mvim and run :PlugInstall. coc.nvim is my go-to because it brings VSCode-style LSP features to Vim: completion, diagnostics, code actions, hover, go-to-def.

Next, install language servers. For JS/TS I do :CocInstall coc-tsserver coc-eslint; for Python I install 'pyright' globally (npm i -g pyright) or use :CocInstall coc-pyright. You can also add a global list in your vimrc: let g:coc_global_extensions = ['coc-tsserver','coc-pyright','coc-json','coc-html','coc-css','coc-snippets']

Small quality-of-life mappings I put in my vimrc:
inoremap pumvisible() ? '\' : coc#refresh()
nmap gd (coc-definition)
nmap K :call CocActionAsync('doHover')

If something breaks, check :CocInfo and :CocList services; it tells you which servers are running. And make sure Node (v12+) is installed for coc.nvim. If you prefer a lighter route, 'vim-lsp' + 'completion-nvim' or 'LanguageClient-neovim' are alternatives, but coc is the fastest path to a full-featured LSP experience in mvim. Happy hacking—once completion is humming, the tiny setup headaches feel so worth it.
2025-09-07 21:31:38
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Zara
Zara
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Contributor Veterinarian
Let me explain more carefully—there are two moving parts: the client inside Vim (plugin) and the language server for the language you want autocompleted. Think of the plugin as the bridge that speaks Vim and LSP, and the server as the brain that provides completions, diagnostics, and symbols.

My preferred bridge for mvim is 'coc.nvim' because it mimics VSCode capabilities and is easy to configure. After installing it with a plugin manager, you either let coc install extensions (via :CocInstall) or keep a list in g:coc_global_extensions. Language servers sometimes are installed by coc extensions; other times you install them globally (npm i -g typescript-language-server, pipx install python-lsp-server, etc.).

Key debugging steps: run :CocInfo for logs, use :CocList services to see running servers, and open the filetype you’re testing to confirm the server attaches. If a server doesn’t start, check its binary path and any required config files (.pyrightconfig, tsconfig.json). If you don’t want Node, pick 'vim-lsp' and manually register servers, or use 'ale' for diagnostics only; but for fully featured completion, coc is usually the smoothest in MacVim. Try a small project first to verify the workflow and tweak mappings until they feel natural.
2025-09-09 11:43:12
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Chloe
Chloe
Favorite read: Beg Little Prince (MM)
Expert Receptionist
I’m a stickler for efficiency, so here’s what I’d recommend if you want a reliable setup in mvim without surprises. First, make sure the build supports job/channel features—MacVim from Homebrew usually does. Use vim-plug and install 'neoclide/coc.nvim' on the 'release' branch. coc gives the feature-rich completion and integrates many language servers as extensions.

Install Node (coc requires it), then populate g:coc_global_extensions in your vimrc with the languages you use. For specific servers that coc doesn’t bundle, install them globally (npm, pip, go install, etc.). Save these common commands: :CocInstall , :CocInfo for logs, and :CocList services to confirm attachments. Keybindings I find useful: nmap gd (coc-definition) and inoremap pumvisible() ? '\' : coc#refresh().

If MacVim behaves oddly, try the terminal Vim to isolate GUI issues; sometimes clipboard or Python support compiles differently. If you care about startup time or avoiding Node, alternatives exist (vim-lsp + completion-nvim), but coc is the pragmatic choice for the most VSCode-like LSP experience in mvim—give it a spin and tweak extensions as you go.
2025-09-09 17:40:05
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